EP0900090B1 - Dispositif et procede de filtration pour neutraliser les mauvaises odeurs - Google Patents
Dispositif et procede de filtration pour neutraliser les mauvaises odeurs Download PDFInfo
- Publication number
- EP0900090B1 EP0900090B1 EP97921891A EP97921891A EP0900090B1 EP 0900090 B1 EP0900090 B1 EP 0900090B1 EP 97921891 A EP97921891 A EP 97921891A EP 97921891 A EP97921891 A EP 97921891A EP 0900090 B1 EP0900090 B1 EP 0900090B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- parts
- weight
- aqueous solution
- carbon atoms
- aldehydes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 17
- 230000003472 neutralizing effect Effects 0.000 title claims abstract description 5
- 238000000034 method Methods 0.000 title claims description 11
- 230000035943 smell Effects 0.000 title abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 32
- 239000010457 zeolite Substances 0.000 claims abstract description 23
- -1 ammonium ions Chemical class 0.000 claims abstract description 20
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 19
- 239000007864 aqueous solution Substances 0.000 claims abstract description 19
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002131 composite material Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 235000019645 odor Nutrition 0.000 claims description 28
- 239000007789 gas Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 11
- 125000003118 aryl group Chemical group 0.000 claims description 10
- 230000001877 deodorizing effect Effects 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 125000003342 alkenyl group Chemical group 0.000 claims description 6
- 229910052676 chabazite Inorganic materials 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- JEWHCPOELGJVCB-UHFFFAOYSA-N aluminum;calcium;oxido-[oxido(oxo)silyl]oxy-oxosilane;potassium;sodium;tridecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.O.[Na].[Al].[K].[Ca].[O-][Si](=O)O[Si]([O-])=O JEWHCPOELGJVCB-UHFFFAOYSA-N 0.000 claims description 4
- 229910052908 analcime Inorganic materials 0.000 claims description 4
- UNYSKUBLZGJSLV-UHFFFAOYSA-L calcium;1,3,5,2,4,6$l^{2}-trioxadisilaluminane 2,4-dioxide;dihydroxide;hexahydrate Chemical compound O.O.O.O.O.O.[OH-].[OH-].[Ca+2].O=[Si]1O[Al]O[Si](=O)O1.O=[Si]1O[Al]O[Si](=O)O1 UNYSKUBLZGJSLV-UHFFFAOYSA-L 0.000 claims description 4
- 229910052677 heulandite Inorganic materials 0.000 claims description 4
- 229910052680 mordenite Inorganic materials 0.000 claims description 4
- 229910001743 phillipsite Inorganic materials 0.000 claims description 4
- 239000003463 adsorbent Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910052675 erionite Inorganic materials 0.000 claims description 3
- 125000002015 acyclic group Chemical group 0.000 claims description 2
- 125000002091 cationic group Chemical group 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 9
- 125000002723 alicyclic group Chemical group 0.000 claims 1
- JYIBXUUINYLWLR-UHFFFAOYSA-N aluminum;calcium;potassium;silicon;sodium;trihydrate Chemical compound O.O.O.[Na].[Al].[Si].[K].[Ca] JYIBXUUINYLWLR-UHFFFAOYSA-N 0.000 claims 1
- 229910001603 clinoptilolite Inorganic materials 0.000 claims 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 150000001299 aldehydes Chemical class 0.000 description 8
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 6
- 125000004429 atom Chemical group 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 150000002148 esters Chemical class 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- RRAFCDWBNXTKKO-UHFFFAOYSA-N eugenol Chemical compound COC1=CC(CC=C)=CC=C1O RRAFCDWBNXTKKO-UHFFFAOYSA-N 0.000 description 4
- KVWWIYGFBYDJQC-UHFFFAOYSA-N methyl dihydrojasmonate Chemical compound CCCCCC1C(CC(=O)OC)CCC1=O KVWWIYGFBYDJQC-UHFFFAOYSA-N 0.000 description 4
- 230000035807 sensation Effects 0.000 description 4
- 235000019615 sensations Nutrition 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003205 fragrance Substances 0.000 description 3
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 3
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 3
- 230000000873 masking effect Effects 0.000 description 3
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 235000007586 terpenes Nutrition 0.000 description 3
- VMUXSMXIQBNMGZ-UHFFFAOYSA-N 3,4-dihydrocoumarin Chemical compound C1=CC=C2OC(=O)CCC2=C1 VMUXSMXIQBNMGZ-UHFFFAOYSA-N 0.000 description 2
- GOLORTLGFDVFDW-UHFFFAOYSA-N 3-(1h-benzimidazol-2-yl)-7-(diethylamino)chromen-2-one Chemical compound C1=CC=C2NC(C3=CC4=CC=C(C=C4OC3=O)N(CC)CC)=NC2=C1 GOLORTLGFDVFDW-UHFFFAOYSA-N 0.000 description 2
- NPBVQXIMTZKSBA-UHFFFAOYSA-N Chavibetol Natural products COC1=CC=C(CC=C)C=C1O NPBVQXIMTZKSBA-UHFFFAOYSA-N 0.000 description 2
- 239000005770 Eugenol Substances 0.000 description 2
- BJIOGJUNALELMI-ONEGZZNKSA-N Isoeugenol Natural products COC1=CC(\C=C\C)=CC=C1O BJIOGJUNALELMI-ONEGZZNKSA-N 0.000 description 2
- UVMRYBDEERADNV-UHFFFAOYSA-N Pseudoeugenol Natural products COC1=CC(C(C)=C)=CC=C1O UVMRYBDEERADNV-UHFFFAOYSA-N 0.000 description 2
- SESFRYSPDFLNCH-UHFFFAOYSA-N benzyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OCC1=CC=CC=C1 SESFRYSPDFLNCH-UHFFFAOYSA-N 0.000 description 2
- BJIOGJUNALELMI-ARJAWSKDSA-N cis-isoeugenol Chemical compound COC1=CC(\C=C/C)=CC=C1O BJIOGJUNALELMI-ARJAWSKDSA-N 0.000 description 2
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000002781 deodorant agent Substances 0.000 description 2
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 2
- HFJRKMMYBMWEAD-UHFFFAOYSA-N dodecanal Chemical compound CCCCCCCCCCCC=O HFJRKMMYBMWEAD-UHFFFAOYSA-N 0.000 description 2
- 229960002217 eugenol Drugs 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- ONKNPOPIGWHAQC-UHFFFAOYSA-N galaxolide Chemical compound C1OCC(C)C2=C1C=C1C(C)(C)C(C)C(C)(C)C1=C2 ONKNPOPIGWHAQC-UHFFFAOYSA-N 0.000 description 2
- IFYYFLINQYPWGJ-UHFFFAOYSA-N gamma-decalactone Chemical compound CCCCCCC1CCC(=O)O1 IFYYFLINQYPWGJ-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- WPFVBOQKRVRMJB-UHFFFAOYSA-N hydroxycitronellal Chemical compound O=CCC(C)CCCC(C)(C)O WPFVBOQKRVRMJB-UHFFFAOYSA-N 0.000 description 2
- 150000002596 lactones Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- GVOWHGSUZUUUDR-UHFFFAOYSA-N methyl N-methylanthranilate Chemical compound CNC1=CC=CC=C1C(=O)OC GVOWHGSUZUUUDR-UHFFFAOYSA-N 0.000 description 2
- VAMXMNNIEUEQDV-UHFFFAOYSA-N methyl anthranilate Chemical compound COC(=O)C1=CC=CC=C1N VAMXMNNIEUEQDV-UHFFFAOYSA-N 0.000 description 2
- BOPPSUHPZARXTH-UHFFFAOYSA-N ocean propanal Chemical compound O=CC(C)CC1=CC=C2OCOC2=C1 BOPPSUHPZARXTH-UHFFFAOYSA-N 0.000 description 2
- BJIOGJUNALELMI-UHFFFAOYSA-N trans-isoeugenol Natural products COC1=CC(C=CC)=CC=C1O BJIOGJUNALELMI-UHFFFAOYSA-N 0.000 description 2
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 2
- PSQYTAPXSHCGMF-BQYQJAHWSA-N β-ionone Chemical compound CC(=O)\C=C\C1=C(C)CCCC1(C)C PSQYTAPXSHCGMF-BQYQJAHWSA-N 0.000 description 2
- SFEOKXHPFMOVRM-UHFFFAOYSA-N (+)-(S)-gamma-ionone Natural products CC(=O)C=CC1C(=C)CCCC1(C)C SFEOKXHPFMOVRM-UHFFFAOYSA-N 0.000 description 1
- GEWDNTWNSAZUDX-WQMVXFAESA-N (-)-methyl jasmonate Chemical compound CC\C=C/C[C@@H]1[C@@H](CC(=O)OC)CCC1=O GEWDNTWNSAZUDX-WQMVXFAESA-N 0.000 description 1
- FXCYGAGBPZQRJE-ZHACJKMWSA-N 1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-1,6-heptadien-3-one Chemical compound CC1=CCCC(C)(C)C1\C=C\C(=O)CCC=C FXCYGAGBPZQRJE-ZHACJKMWSA-N 0.000 description 1
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 1
- MVOSYKNQRRHGKX-UHFFFAOYSA-N 11-Undecanolactone Chemical compound O=C1CCCCCCCCCCO1 MVOSYKNQRRHGKX-UHFFFAOYSA-N 0.000 description 1
- MQBIZQLCHSZBOI-UHFFFAOYSA-N 4-(4-Methyl-3-pentenyl)-3-cyclohexene-1-carboxaldehyde Chemical compound CC(C)=CCCC1=CCC(C=O)CC1 MQBIZQLCHSZBOI-UHFFFAOYSA-N 0.000 description 1
- PHXATPHONSXBIL-UHFFFAOYSA-N 5-heptyl-2-tetrahydrofuranone Natural products CCCCCCCC1CCC(=O)O1 PHXATPHONSXBIL-UHFFFAOYSA-N 0.000 description 1
- WGPCZPLRVAWXPW-NSHDSACASA-N 5-octyloxolan-2-one Chemical compound CCCCCCCC[C@H]1CCC(=O)O1 WGPCZPLRVAWXPW-NSHDSACASA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 206010002653 Anosmia Diseases 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 241001311578 Calyptraea chinensis Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OMPIYDSYGYKWSG-UHFFFAOYSA-N Citronensaeure-alpha-aethylester Natural products CCOC(=O)CC(O)(C(O)=O)CC(O)=O OMPIYDSYGYKWSG-UHFFFAOYSA-N 0.000 description 1
- 241000612153 Cyclamen Species 0.000 description 1
- WVMBPWMAQDVZCM-UHFFFAOYSA-N N-methylanthranilic acid Chemical compound CNC1=CC=CC=C1C(O)=O WVMBPWMAQDVZCM-UHFFFAOYSA-N 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- LQKRYVGRPXFFAV-UHFFFAOYSA-N Phenylmethylglycidic ester Chemical compound CCOC(=O)C1OC1(C)C1=CC=CC=C1 LQKRYVGRPXFFAV-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 239000002386 air freshener Substances 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- UZFLPKAIBPNNCA-UHFFFAOYSA-N alpha-ionone Natural products CC(=O)C=CC1C(C)=CCCC1(C)C UZFLPKAIBPNNCA-UHFFFAOYSA-N 0.000 description 1
- 150000001381 alpha-ionone derivatives Chemical class 0.000 description 1
- 229940062909 amyl salicylate Drugs 0.000 description 1
- 235000019558 anosmia Nutrition 0.000 description 1
- RWZYAGGXGHYGMB-UHFFFAOYSA-M anthranilate Chemical compound NC1=CC=CC=C1C([O-])=O RWZYAGGXGHYGMB-UHFFFAOYSA-M 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 150000008365 aromatic ketones Chemical class 0.000 description 1
- 150000008378 aryl ethers Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229960002903 benzyl benzoate Drugs 0.000 description 1
- 150000001588 beta-ionone derivatives Chemical class 0.000 description 1
- WQAQPCDUOCURKW-UHFFFAOYSA-N butanethiol Chemical compound CCCCS WQAQPCDUOCURKW-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229940112822 chewing gum Drugs 0.000 description 1
- 235000015218 chewing gum Nutrition 0.000 description 1
- 229940114081 cinnamate Drugs 0.000 description 1
- CCRCUPLGCSFEDV-UHFFFAOYSA-N cinnamic acid methyl ester Natural products COC(=O)C=CC1=CC=CC=C1 CCRCUPLGCSFEDV-UHFFFAOYSA-N 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 description 1
- 229930186364 cyclamen Natural products 0.000 description 1
- 229940019836 cyclamen aldehyde Drugs 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- DMSHWWDRAYHEBS-UHFFFAOYSA-N dihydrocoumarin Natural products C1CC(=O)OC2=C1C=C(OC)C(OC)=C2 DMSHWWDRAYHEBS-UHFFFAOYSA-N 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- NYNCZOLNVTXTTP-UHFFFAOYSA-N ethyl 2-(1,3-dioxoisoindol-2-yl)acetate Chemical compound C1=CC=C2C(=O)N(CC(=O)OCC)C(=O)C2=C1 NYNCZOLNVTXTTP-UHFFFAOYSA-N 0.000 description 1
- 229940057975 ethyl citrate Drugs 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- IFYYFLINQYPWGJ-VIFPVBQESA-N gamma-Decalactone Natural products CCCCCC[C@H]1CCC(=O)O1 IFYYFLINQYPWGJ-VIFPVBQESA-N 0.000 description 1
- WGPCZPLRVAWXPW-LLVKDONJSA-N gamma-Dodecalactone Natural products CCCCCCCC[C@@H]1CCC(=O)O1 WGPCZPLRVAWXPW-LLVKDONJSA-N 0.000 description 1
- PHXATPHONSXBIL-JTQLQIEISA-N gamma-Undecalactone Natural products CCCCCCC[C@H]1CCC(=O)O1 PHXATPHONSXBIL-JTQLQIEISA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229930002839 ionone Natural products 0.000 description 1
- 150000002499 ionone derivatives Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- ZNJFBWYDHIGLCU-HWKXXFMVSA-N jasmonic acid Chemical compound CC\C=C/C[C@@H]1[C@@H](CC(O)=O)CCC1=O ZNJFBWYDHIGLCU-HWKXXFMVSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- IPWBXORAIBJDDQ-UHFFFAOYSA-N methyl 2-hexyl-3-oxocyclopentane-1-carboxylate Chemical compound CCCCCCC1C(C(=O)OC)CCC1=O IPWBXORAIBJDDQ-UHFFFAOYSA-N 0.000 description 1
- GEWDNTWNSAZUDX-UHFFFAOYSA-N methyl 7-epi-jasmonate Natural products CCC=CCC1C(CC(=O)OC)CCC1=O GEWDNTWNSAZUDX-UHFFFAOYSA-N 0.000 description 1
- 229940102398 methyl anthranilate Drugs 0.000 description 1
- CCRCUPLGCSFEDV-BQYQJAHWSA-N methyl trans-cinnamate Chemical compound COC(=O)\C=C\C1=CC=CC=C1 CCRCUPLGCSFEDV-BQYQJAHWSA-N 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 210000000196 olfactory nerve Anatomy 0.000 description 1
- OJEQSSJFSNLMLB-UHFFFAOYSA-N p-Tolyl phenylacetate Chemical compound C1=CC(C)=CC=C1OC(=O)CC1=CC=CC=C1 OJEQSSJFSNLMLB-UHFFFAOYSA-N 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- SATCULPHIDQDRE-UHFFFAOYSA-N piperonal Chemical compound O=CC1=CC=C2OCOC2=C1 SATCULPHIDQDRE-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008786 sensory perception of smell Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- WBYWAXJHAXSJNI-VOTSOKGWSA-M trans-cinnamate Chemical compound [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 1
- 235000013769 triethyl citrate Nutrition 0.000 description 1
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 1
- 235000012141 vanillin Nutrition 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- ZFNVDHOSLNRHNN-UHFFFAOYSA-N xi-3-(4-Isopropylphenyl)-2-methylpropanal Chemical compound O=CC(C)CC1=CC=C(C(C)C)C=C1 ZFNVDHOSLNRHNN-UHFFFAOYSA-N 0.000 description 1
- UZFLPKAIBPNNCA-FPLPWBNLSA-N α-ionone Chemical compound CC(=O)\C=C/C1C(C)=CCCC1(C)C UZFLPKAIBPNNCA-FPLPWBNLSA-N 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
- A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
- A61L9/12—Apparatus, e.g. holders, therefor
- A61L9/122—Apparatus, e.g. holders, therefor comprising a fan
Definitions
- the present invention relates to a device for filtration to neutralize bad odors volatiles present in an atmosphere or transported by a gas stream.
- It also relates to a method putting in performs such filtration.
- a first technique consists in overcoming these odors by masking either quantitatively in flavoring the atmosphere with a more aroma product pleasant in large quantities, either by fixing smelly molecules, usually by complexing them with other molecules, to give a product of a different and more pleasant aroma.
- Another technology envisaged is that of filtration.
- the present invention aims to provide a device and a method for treating bad odors responding better than those previously known to requirements of the practice in particular in that it allows better air purification so simple, efficient and inexpensive.
- the invention essentially proposes a filtration device to neutralize volatile unpleasant odors present in a atmosphere or carried by a gas stream, characterized in that it comprises at least one layer thick natural zeolite material determined, said layer being impregnated with a aqueous solution, with per 100 parts by weight of zeolite, about 5 to about 20 parts by weight of said aqueous solution, said aqueous solution comprising per 1000 parts by weight of water, between about 1 part and about 20 parts by weight of a composite mixture comprising, for a portion of ions ammonium. or equivalent, part of at least one composition of perfuming and / or deodorizing nature.
- the thickness of the layer is determined by within the reach of the skilled person, depending the specific use of the filter depending on characteristics of the filtered gas, i.e. essentially the average flow of molecules smelly passing through the filter.
- the invention also provides a method of treatment of volatile unpleasant odors present in an atmosphere or carried by a current gaseous, characterized in that the atmosphere is treated or the gas stream by filtration with a filter composed of a layer of natural zeolite material of determined thickness impregnated with a solution aqueous, with per 100 parts by weight of zeolite, about 5 to about 20 parts by weight of said aqueous solution, said aqueous solution comprising, per 1000 parts by weight of water, between approximately 1 part and about 20 parts by weight of a mixture composite comprising, for part of ammonium ions or equivalent, part of at least one composition of a perfuming and / or deodorizing nature.
- a forced circulation is carried out of the atmosphere or gas stream through the filter by suction of atmosphere or current gas through the filter.
- Figure 1 schematically shows a device filter or filter 1, removable, comprising a structure 2 for supporting two annular layers 3, horizontal, for example identical, of material granular zeolite-based according to the invention.
- the layers are of determined thickness, by example each 5 cm thick.
- the filter 1 is placed above a well 4 of decomposition gas 5 loaded with bad odors from waste storage rotting 6, also covered with a layer of earth 7.
- the external dimension of the filter and the diameter outer layer is a function of the well width 4.
- the support structure 2 rests on the edge of the well via a conical support 8 allowing the approximately gas-tight pipeline, which rise here by natural extraction, and their passage through the filter.
- the chimney 9 is openwork or screened on the side walls 10 of its cylindrical upper part of so as to allow the passage of gases radially towards outside and through the walls of said chimney, to penetrate into the lower layer 3 of the filter, which it then crosses vertically, as well as the upper layer 3.
- Each layer rests on a sieve in the shape of a metal washer 11, of support gravity of material 12, granular, compacted and moistened with a composite mixture according to the invention.
- the humidification of the zeolite layers is done for example via a drip with flow gravity, from a storage tank 13 of the composite mixture 14 whose level 15 is regularly monitored for example via an indicator visual 16.
- the reservoir 13 supplies by example two ramps 17 with spray nozzles regularly distributed, each of said ramp being located at the periphery or even centered, at the above the upper annular surface of a corresponding layer.
- the upper surface 18 thereof opens into an annular space 19, closed on its walls, separating the two layers.
- the upper surface 20 of the upper layer leads to the open air to free the purified and / or scented gases 21.
- a roof 22 for protection against the weather for example in the shape of a Chinese hat schematized in mixed line in Figure 1 is also provided.
- the bottom of structure 2 is formed by a annular tank 23, for retaining the composite mixture which would not have been absorbed by the zeolite. She is bounded on one side by the lower conical base from the chimney 9 and on the other side by the wall external of the structure.
- Filter 1 is completely removable, by example from above, which allows the replacement of layers 3 of zeolite.
- the envelope 26 is in turn arranged to come rest on stops 28 fixed on the walls internal of the structure 2.
- the compounds according to the invention can also be used in mixtures in varying proportions giving a formula having practically no olfactory effect unpleasant.
- test employed is carried out with a panel of minimum fifty people, of which at least five are olfaction specialists, the others being selected without any particular criteria.
- the effluent to be treated is defined by the as follows:
- the panelists note their sensations on two graduated scales (A and B) in distinguishing the intensity of the bad smell (scale - A -) and the total intensity of the smell (scale - B -).
- the results are obtained by averaging, for each scale, scores assigned by panelists.
- An average less than 0 reflects a reduction bad odor
- an average greater than 0 reflects an increase in bad smell
- An average less than 0 reflects a reduction the intensity of the perceived odor
- an average greater than 0 reflects an increase in the intensity of the perceived odor
- the present invention is not limited to more particularly described embodiment. On the contrary, it embraces all variants and especially those where the filter includes means causing forced circulation, those where it does not has one or more layers of zeolite-based material, those where the system humidification is different.
Landscapes
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Sampling And Sample Adjustment (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Description
- la solution aqueuse est cationique;
- la solution aqueuse comporte entre environ 3 parties et environ 10 parties de mélange composite;
- la couche en zéolite naturel est formée de matériau granuleux, de granulométrie moyenne comprise entre de l'ordre de 0,1 cm et de l'ordre de 5 cm;
- la composition de nature parfumante et/ou désodorisante comprend une quantité efficace pour neutraliser les mauvaises odeurs d'un solvant représenté par la formule développée ci-après :
- la composition de nature parfumante et/ou désodorisante est élaborée à partir d'esters aromatiques et/ou de formation complexe d'aldéhyde;
- la composition de nature parfumante comporte un premier aldéhyde choisi parmi les aldéhydes aliphatiques acycliques et non terpéniques, les aldéhydes alicycliques non terpéniques, les aldéhydes terpéniques, les aldéhydes aliphatiques substitués par un groupe aromatique, les aldéhydes biofonctionnels et/ou un second aldéhyde choisi parmi les aldéhydes possédant l'insaturation en α de la fonction aldéhyde conjuguée avec un cycle aromatique et les aldéhydes dont la fonction est portée par un cycle aromatique;
- la zéolite naturelle comprend au moins un type de zéolite choisie parmi la clinoptilotite, la mordenite, la chabazite, l'érionite, la phillipsite, l'heulandite, l'analcime, et/ou en provenance de tous gisements lithique de matériau de type zéolite comportant des caractéristiques physico-chimiques présentant des qualités équivalentes aux matériaux cités ci-avant, d'adsorption, de catalyse et d'échange.
- le dispositif comporte des moyens de circulation forcée du courant gazeux au travers de la couche de matériau du dispositif.
- La figure 1 montre schématiquement un mode de réalisation du dispositif selon l'invention disposé au-dessus d'un courant gazeux à désodoriser.
- La figure 2 est une vue schématique d'une couche de matériau en zéolite selon l'invention. La structure est par exemple métallique, peinte, de forme extérieure sensiblement cylindrique.
- les alcools aliphatiques, avantageusement de C10 à C12, comme le décanol, le citronéllol, le géraniol;
- les aldéhydes, avantageusement de C10 à C13, soit aliphatiques comme le dodécanal normal ou ramifié, l'aldéhyde myrac, soit aromatiques comme l'aldéhyde cyclamen, l'hélional, l'héliotropine, le paraméthylphényl-acétaldéhyde, la vanilline et ses dérivés;
- les cétones aliphatiques, avantageusement en C13 et C14, comme les alpha et béta ionones et damascones ainsi que les cétones aliphatiques et aromatiques à odeur musquée pouvant avoir jusqu'à 18 atomes de carbone;
- les esters aliphatiques, avantageusement en C8 et C15, comme le dihydrojasmonate de méthyle, le jasmonate de méthyle, le cinnamate de méthyle, le méthylphénylglycidate d'éthyle, les esters aromatiques comme l'anthranilate de méthyle, le N-méthyl-anthranilate de méthyle, le phénylacétate de p-crésyle, le salicylate d'amyle;
- les lactones aromatiques comme la coumarine, la dihydrocoumarine et les lactones aliphatiques comme la gamma-décalactone, dodécalactone et undécalactone;
- les phénols comme l'eugénol et l'isoeugénol;
- les éthers aromatiques comme l'oxyde de diphényle, les éthers méthylés et éthylés du naphtol, le galaxolide;
- les composés azotés du type amines comme l'indole et ses composés de réaction avec l'hydroxycitronellal dénommés indolène et les nitriles aliphatiques comme le tridécène-2-nitrile;
- les amines aromatiques y compris les dérivés pyridiniques comme la (méthyl-2'-pentène-2'-yl)-2-méthyl-5-pyridine.
- Par réduction physique :
En mesurant sa concentration dans l'air avant traitement et sa concentration dans l'air filtré,- Par réduction sensitive :
- de l 'air traité par le système de filtration et imprégné de solution désodorisante,
- de deux échantillons "leurre", l'un parfumé et l'autre malodorant,
- d'un air chargé artificiellement d'une concentration de H2S identique à celle de l'air traité, sans solution désodorisante.
- de l'air traité par le système de filtration et imprégné de solution désodorisante
- de deux échantillons "leurre", l'un parfumé et l'autre malodorant d'une autre nature,
- d'un échantillon d'air non parfumé chargé de H2S, à la concentration résiduelle relevée d'un air traité.
- Une moyenne A supérieure à 0, avec une moyenne supérieure à 0 révèle un effet de Masquage,
- Une moyenne A inférieure à 0, avec une moyenne supérieure à 0 révèle un effet d'inhibition-réduction.
Claims (9)
- Dispositif (1) de filtration pour neutraliser les mauvaises odeurs volatiles présentes dans une atmosphère ou véhiculées par un courant gazeux (5), comportant au moins une couche (3) de matériau (12) adsorbant d'épaisseur déterminée imprégné d'une solution aqueuse (14) avec pour 100 parties en poids de matériau, environ 5 à 20 parties en poids de ladite solution aqueuse, caractérisé en ce quele matériau est de la zéolithe naturelle comprenant au moins un matériau choisi parmi la clinoptilolite, la mordenite, la chabazite, l'érionite, la phillipsite, l'heulandite et l'analcime,en ce que le dispositif comporte des moyens d'humidificationet en ce que ladite solution aqueuse est cationique et comporte pour 1000 parties en poids d'eau, entre environ 1 et 20 parties en poids d'un mélange composite comprenant, pour une partie d'ions ammonium ou équivalent, une partie d'au moins une composition de nature parfumante et/ou désodorisante.
- Dispositif selon la revendication 1, caractérisée en ce que la solution aqueuse comporte entre environ 3 et 10 parties de mélange composite.
- Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la couche (3) en zéolite naturel est formée de matériau granuleux de granulométrie moyenne comprise entre de l'ordre de 0,1 cm et de l'ordre de 5 cm.
- Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la composition de nature parfumante et/ou désodorisante comprend une quantité efficace pour neutraliser les mauvaises odeurs d'un composé représenté par la formule développée ci-après : où n est un nombre entier valant 2 à 4, A, B et C représentent chacun indépendamment l'hydrogène, un groupe alkyle inférieur ayant 1 à 5 atomes de carbone ou un groupe alkényle inférieur ayant 3 à 5 atomes de carbone, à condition que lorsque deux des groupes, A, B et C sont des groupes alkyle ou alcényle, ils soient fixés à des atomes de carbone différents et pourvu que la somme des atomes de carbone dans A, B et C ne soit pas supérieure à 7, R1 et R2 représentent chacun indépendamment l'hydrogène ou un groupe alkyle inférieur ayant 1 à 5 atomes de carbone, où R1 et R2 pris ensemble représentent CH2m où m est un nombre entier valant 2 à 6, R3 représente l'hydrogène ou un groupe alkyle ou alkényle inférieur ayant jusqu'à 6 atomes de carbone, pourvu que la somme du plus grand nombre d'atomes de carbone dans R1 ou R2 plus R3 ne soit pas supérieure à 10.
- Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la composition de nature parfumante et/ou désodorisante est élaborée à partir d'esters aromatiques et/ou de formation complexe d'aldéhydes.
- Dispositif selon la revendication 5, caractérisé en ce que la composition parfumante comporte un premier aldéhyde choisi parmi les aldéhydes aliphatiques acycliques et non terpéniques, les aldéhydes alicycliques non terpéniques, les aldéhydes terpéniques, les aldéhydes aliphatiques substitués par un groupe aromatique, les aldéhydes biofonctionnels et un second aldéhyde choisi parmi les aldéhydes possédant l'insaturation en α de la fonction aldéhyde conjuguée avec un cycle aromatique et les aldéhydes dont la fonction est portée par un cycle aromatique.
- Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que il comporte de plus des moyens de circulation forcée du courant gazeux au travers de la couche de matériau du dispositif.
- Procédé de traitement des mauvaises odeurs volatiles présentes dans une atmosphère ou véhiculées par un courant gazeux, dans lequel on traite l'atmosphère ou le courant gazeux par filtration avec un filtre composé d'une couche de matériau adsorbant d'épaisseur déterminée imprégnée d'une solution aqueuse, avec pour 100 parties en poids de matériau, environ 5 à environ 20 parties en poids de ladite solution aqueuse, caractérisé en ce que le matériau est de la zéolithe naturelle comprenant au moins un matériau choisi parmi la clinoptilotite, la mordenite, la chabazite, l'érionite, la phillipsite, l'heulandite et l'analcime.
ladite solution aqueuse comportant pour 1 000 parties en poids d'eau, entre environ 1 partie et environ 20 parties en poids d'un mélange composite comprenant, pour une partie d'ions ammonium ou équivalent, une partie d'au moins une composition de nature parfumante et/ou désodorisante. - Procédé selon la revendication 8, caractérisé en ce que on réalise une circulation forcée de l'atmosphère ou du courant gazeux au travers du filtre par aspiration de ladite atmosphère ou dudit courant gazeux au travers dudit filtre.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9605326A FR2747924B1 (fr) | 1996-04-26 | 1996-04-26 | Dispositif et procede de filtration pour neutraliser les mauvaises odeurs |
| FR9605326 | 1996-04-26 | ||
| PCT/FR1997/000749 WO1997040863A1 (fr) | 1996-04-26 | 1997-04-25 | Dispositif et procede de filtration pour neutraliser les mauvaises odeurs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0900090A1 EP0900090A1 (fr) | 1999-03-10 |
| EP0900090B1 true EP0900090B1 (fr) | 2002-02-06 |
Family
ID=9491647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97921891A Expired - Lifetime EP0900090B1 (fr) | 1996-04-26 | 1997-04-25 | Dispositif et procede de filtration pour neutraliser les mauvaises odeurs |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6068681A (fr) |
| EP (1) | EP0900090B1 (fr) |
| AT (1) | ATE212862T1 (fr) |
| AU (1) | AU2779097A (fr) |
| DE (1) | DE69710327T2 (fr) |
| ES (1) | ES2172785T3 (fr) |
| FR (1) | FR2747924B1 (fr) |
| PT (1) | PT900090E (fr) |
| WO (1) | WO1997040863A1 (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2998800B2 (ja) * | 1998-03-10 | 2000-01-11 | マツダ株式会社 | 脱臭用組成物とそれを用いた脱臭装置及びフィルタ並びに脱臭方法 |
| US6379429B1 (en) * | 2000-08-15 | 2002-04-30 | Delbert C. Scranton, Jr. | Device for filtering gases |
| CA2321404A1 (fr) * | 2000-09-29 | 2002-03-29 | Bernhard Van Dyk | Systeme de filtrage d'air |
| US6379433B1 (en) * | 2000-10-25 | 2002-04-30 | Delbert C. Scranton, Jr. | Device for use in filtering contaminated air |
| RU2206499C1 (ru) * | 2002-02-26 | 2003-06-20 | Игумнов Сергей Михайлович | Способ очистки газообразного трифторида азота |
| US20040170749A1 (en) * | 2003-02-27 | 2004-09-02 | Neivandt David J. | Modified starch compositions |
| WO2009020688A1 (fr) | 2007-05-21 | 2009-02-12 | University Of Maine System Board Of Trustees | Matériaux composites à base de zéolithe pour contrôler les odeurs de déchets |
| US20110189049A1 (en) | 2008-05-09 | 2011-08-04 | Martin Beaulieu | Method for treating odors |
| PL444151A1 (pl) * | 2023-03-21 | 2024-09-23 | Zeocomplex Spółka Z Ograniczoną Odpowiedzialnością | Sposób redukcji związków złowonnych z gastronomii i hodowli z wykorzystaniem zeolitu naturalnego |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4246910A (en) * | 1977-08-01 | 1981-01-27 | Philip Morris Incorporated | Cigarette filter material comprising compounds of iron in high oxidation states |
| US4268285A (en) * | 1980-02-11 | 1981-05-19 | Mason Engineering & Designing Corporation | Air freshening apparatus |
| US4272261A (en) * | 1980-05-01 | 1981-06-09 | Lynch Jr Patrick E | Air purifying device |
| US4306892A (en) * | 1981-02-06 | 1981-12-22 | Tec-Air, Inc. | Disposable air freshening packet |
| US4534775A (en) * | 1982-03-02 | 1985-08-13 | General Time Corp. | Air treatment filter element and air treatment filter |
| US4604110A (en) * | 1984-04-19 | 1986-08-05 | General Time Corporation | Filter element, filter, and method for removing odors from indoor air |
| US4689058A (en) * | 1986-02-07 | 1987-08-25 | Kimberly-Clark Corporation | Disposable stove hood filter |
| US5240653A (en) * | 1991-09-16 | 1993-08-31 | Ramkissoon Kaywal K | House freshener |
| JPH05154187A (ja) * | 1991-12-05 | 1993-06-22 | Mitsubishi Materials Corp | 電車貯溜式トイレ用消臭カートリッジ |
| US5529609A (en) * | 1994-11-07 | 1996-06-25 | Georgia Tech Research Corporation | Air cleaner having a three dimensional visco-elastic matrix of material |
| NL1004343C2 (nl) * | 1996-10-23 | 1998-04-24 | Tno | Inrichting voor het uit een gas of dampmengsel wegnemen van een of meer voor de mens ongewenste stoffen of gevaarlijke stoffen, en gasmasker dat een dergelijke inrichting omvat. |
-
1996
- 1996-04-26 FR FR9605326A patent/FR2747924B1/fr not_active Expired - Fee Related
-
1997
- 1997-04-25 EP EP97921891A patent/EP0900090B1/fr not_active Expired - Lifetime
- 1997-04-25 PT PT97921891T patent/PT900090E/pt unknown
- 1997-04-25 AT AT97921891T patent/ATE212862T1/de not_active IP Right Cessation
- 1997-04-25 DE DE69710327T patent/DE69710327T2/de not_active Expired - Lifetime
- 1997-04-25 AU AU27790/97A patent/AU2779097A/en not_active Abandoned
- 1997-04-25 US US09/171,784 patent/US6068681A/en not_active Expired - Fee Related
- 1997-04-25 ES ES97921891T patent/ES2172785T3/es not_active Expired - Lifetime
- 1997-04-25 WO PCT/FR1997/000749 patent/WO1997040863A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US6068681A (en) | 2000-05-30 |
| WO1997040863A1 (fr) | 1997-11-06 |
| FR2747924B1 (fr) | 1998-07-24 |
| ES2172785T3 (es) | 2002-10-01 |
| DE69710327D1 (de) | 2002-03-21 |
| ATE212862T1 (de) | 2002-02-15 |
| AU2779097A (en) | 1997-11-19 |
| DE69710327T2 (de) | 2002-10-17 |
| PT900090E (pt) | 2002-07-31 |
| FR2747924A1 (fr) | 1997-10-31 |
| EP0900090A1 (fr) | 1999-03-10 |
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